3003 Aluminum Bar is a widely used alloy in the aluminum-manganese system, known for its excellent corrosion resistance, good formability, and moderate strength. This alloy is produced globally and is highly versatile in industrial and construction applications. Key characteristics include: superior corrosion resistance, especially in marine and chemical environments; good workability in cold and hot conditions; excellent weldability without special techniques; and moderate strength suitable for structural and decorative applications.
Applications: 3003 aluminum bar is commonly used in roofing and siding components, chemical equipment, transportation parts, storage tanks, and various architectural and industrial structures. Its corrosion resistance and durability make it ideal for outdoor and marine environments.
Chemical Composition of 3003 Aluminum Bar:
Silicon (Si): 0.6% max
Iron (Fe): 0.7% max
Copper (Cu): 0.05–0.20%
Manganese (Mn): 1.0–1.5%
Magnesium (Mg): 0.05–0.20%
Zinc (Zn): 0.10% max
Titanium (Ti): 0.20% max
Aluminum (Al): Balance
Material Properties:
Aluminum is a lightweight, silver-white metal with a density of 2.7 g/cm³, melting point of 660.4°C, and boiling point of 2467°C. It has excellent reflectivity, high thermal and electrical conductivity, and outstanding corrosion resistance. 3003 aluminum bar combines these properties with added manganese for improved strength, making it suitable for structural applications where moderate strength, corrosion resistance, and ease of fabrication are required. It can be machined, welded, or riveted with ease, and can be drawn or rolled into various shapes for industrial, architectural, and transportation uses.
PRODUCT
| Surface Treatment: | Polished |
| Technique: | Cold Drawn |
| Hardness: | standard |
| Al (Min): | 99% |
| Material: | Aluminun |
| Temper: | T3 – T8 |
| Tolerance: | ±1% |
| Sample: | Avaliable |
| Application: | construction |
| Shape: | Round |
| Yield (≥ MPa): | 90 |
| Ultimate Strength (≥ MPa): | 30 |
| Processing Service: | Cutting |
| Surface: | Polished |
| Length: | 1m-6m |
| Package: | Standard Seaworthy Package |
| Standard: | ASTM AISI JIS DIN GB |
Aluminum Production Process

Applications of 3004 Aluminum Bar
3003 Aluminum Bar
3003 aluminum bar features excellent corrosion resistance, moderate strength, and good workability. It is widely used in marine structures, roofing and siding, chemical equipment, automotive parts, and architectural applications where durability, corrosion resistance, and ease of fabrication are important. Its excellent formability and weldability make it ideal for various structural and decorative components.



Warehouse Storage
As a core component of RSC Aluminiumsc business operations, the company not only focuses on the production and processing of high-quality aluminum materials but has also established a comprehensive warehouse storage system. This ensures the secure custody and efficient dispatch of aluminum plates, foils, tubes, rods, and other product series. We employ modern warehouse management practices to achieve scientific classification of raw material and finished goods inventory, dynamic monitoring, and timely shipping and distribution. This effectively enhances supply chain responsiveness, reduces logistics costs, and provides stable, reliable product supply assurance for global customers. Aluminiumsc’s diversified inventory strategy not only supports timely delivery of large-volume orders but also empowers customers to flexibly respond to market demand fluctuations.
Packaging and Transportation
RSC provides professional aluminum packaging and transportation services, utilizing customized moisture-proof and shock-resistant packaging to ensure products arrive safe and intact. Our multi-channel transportation system supports land, sea, and air freight, enabling efficient and timely global distribution to maintain a seamless supply chain.
Why choose us
Q. What’s your advantage?
A: Honest business with competitive price and professional service on export process.
Q. How I believe you?
A: We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to check our credit. Besides, there is trade assurance from Alibaba, your order and money will be well guaranteed.
Q. Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
Q. Where are you? Can I visit you?
A: Sure, welcome to you visit our factory at any time.
Q. How about the delivery time?
A: Within 7-25 days after we confirm you requirement.






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